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. 2009 Jul 31;9:274. doi: 10.1186/1471-2458-9-274

Table 3.

Changes in quantity and quality of ADR reports

Before educational intervention After educational intervention

n % n %
ADR 116 100.0 288 100.0

ICH classification (P = 0.566)

Serious 8 6.9 14 4.9

Non-serious 108 93.1 274 95.1

WHO-ART classification (P = 0.015*)

Grade 1 = mild 50 43.1 107 37.2

Grade 2 = moderate 46 39.7 157 54.5

Grade 3 = severe 18 15.5 22 7.6

Grade 4 = life threatening 2 1.7 2 0.7

Causality (P < 0.001*)

Certain 64 55.2 51 17.7

Probable/likely 24 20.7 98 34.0

Possible 19 16.4 128 44.4

Unlikely 4 3.4 5 1.7

Conditional/unclassified 0 0.0 0 0.0

Unassessable/unclassifiable 5 4.3 6 2.1

*Significant (chi-square test)